diff --git a/doc/QuickReference.dox b/doc/QuickReference.dox
index 3310d390a..31b8030f4 100644
--- a/doc/QuickReference.dox
+++ b/doc/QuickReference.dox
@@ -490,7 +490,7 @@ Read-write access to sub-vectors:
 <tr><td>\code vec1.head(n)\endcode</td><td>\code vec1.head<n>()\endcode</td><td>the first \c n coeffs </td></tr>
 <tr><td>\code vec1.tail(n)\endcode</td><td>\code vec1.tail<n>()\endcode</td><td>the last \c n coeffs </td></tr>
 <tr><td>\code vec1.segment(pos,n)\endcode</td><td>\code vec1.segment<n>(pos)\endcode</td>
-    <td>the \c n coeffs in \n the range [\c pos : \c pos + \c n [</td></tr>
+    <td>the \c n coeffs in the \n range [\c pos : \c pos + \c n - 1]</td></tr>
 <tr class="alt"><td colspan="3">
 
 Read-write access to sub-matrices:</td></tr>
diff --git a/doc/examples/QuickStart_example2_dynamic.cpp b/doc/examples/QuickStart_example2_dynamic.cpp
index 672ac82e9..ff6746e21 100644
--- a/doc/examples/QuickStart_example2_dynamic.cpp
+++ b/doc/examples/QuickStart_example2_dynamic.cpp
@@ -6,10 +6,10 @@ using namespace std;
 
 int main()
 {
-  MatrixXf m = MatrixXf::Random(3,3);
-  m = (m + MatrixXf::Constant(3,3,1.2)) * 50;
+  MatrixXd m = MatrixXd::Random(3,3);
+  m = (m + MatrixXd::Constant(3,3,1.2)) * 50;
   cout << "m =" << endl << m << endl;
-  VectorXf v(3);
+  VectorXd v(3);
   v << 1, 2, 3;
   cout << "m * v =" << endl << m * v << endl;
 }
diff --git a/doc/examples/QuickStart_example2_fixed.cpp b/doc/examples/QuickStart_example2_fixed.cpp
index edf3268cd..d91175273 100644
--- a/doc/examples/QuickStart_example2_fixed.cpp
+++ b/doc/examples/QuickStart_example2_fixed.cpp
@@ -6,10 +6,10 @@ using namespace std;
 
 int main()
 {
-  Matrix3f m = Matrix3f::Random();
-  m = (m + Matrix3f::Constant(1.2)) * 50;
+  Matrix3d m = Matrix3d::Random();
+  m = (m + Matrix3d::Constant(1.2)) * 50;
   cout << "m =" << endl << m << endl;
-  Vector3f v(1,2,3);
+  Vector3d v(1,2,3);
   
   cout << "m * v =" << endl << m * v << endl;
 }